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Solid type pigment composition and preparation method thereof

A technology of pigment composition and aluminum pigment, applied in the direction of inorganic pigment treatment, chemical instruments and methods, dyeing low-molecular organic compound treatment, etc., can solve the problem of increasing paint and ink, reducing product environmental protection rating, aluminum pigment removal and weighing Convenience and other issues

Active Publication Date: 2016-05-25
深圳市绚图新材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these carrier solvents such as isopropyl alcohol (IPA), ethylene glycol n-butyl ether (EB), and propylene glycol n-methyl ether (PM) increase the VOC (volatile organic matter) value of coatings and inks, reducing the environmental rating of products
[0004] It is inconvenient to take out and weigh the paste-like aluminum pigment. At the same time, the current paste-like aluminum pigment needs a pre-dispersion step before adding to the paint, that is, soaking and diluting in a water-soluble solvent for several hours before adding the main resin

Method used

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  • Solid type pigment composition and preparation method thereof
  • Solid type pigment composition and preparation method thereof
  • Solid type pigment composition and preparation method thereof

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preparation example Construction

[0046] The preparation method of above-mentioned high water dispersibility solid pigment composition, comprises the following steps:

[0047] Step S110, stirring and mixing aluminum pigment slurry (containing 55%-85% aluminum pigment particles, 15%-45% solvent), dispersant, splitting agent and 0-15 parts of solvent to obtain a mixture, the solvent and dispersant compatible.

[0048] Preferably, the aluminum pigment is added in the form of slurry, and the slurry contains 55% to 85% of aluminum pigment and 15% to 45% of solvent in terms of mass percentage.

[0049] Preferably, the water-soluble aluminum pigment, dispersant, splitting agent and solvent are sequentially added into the mixer for stirring treatment. More preferably, the time for the stirring treatment is 1 to 2 hours.

[0050] Preferably, the choice of solvent needs to meet the following four conditions: (1) must be a non-toxic and harmless solvent; (2) incompatible with pigments and dispersants, thus producing th...

Embodiment 1

[0063] The composition of the highly water-dispersible solid pigment composition of embodiment 1 is as shown in table 1:

[0064] Table 1

[0065]

Embodiment 2

[0067] The composition of the highly water-dispersible solid pigment composition of embodiment 2 is as shown in table 2:

[0068] Table 2

[0069]

[0070]

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Abstract

The present invention relates to a solid type pigment composition and a preparation method thereof. The solid type pigment composition is characterized by comprising the following components in parts by weight: 55 parts to 90 parts of a water-soluble aluminum pigment; 5 parts to 40 parts of a dispersant and 1 part to 10 parts of a splitting agent; wherein the splitting agent is selected from at least one of carboxymethyl cellulose, starch glycolate, a crosslinking carboxymethyl salt, polyvinylpyrrolidine, cross-linked polyvinylpyrrolidone and alginic acid salt. The solid type pigment composition is more environmentally friendly and instantly-dissolving.

Description

technical field [0001] The invention relates to a solid pigment composition and a preparation method thereof. Background technique [0002] Water-based aluminum pigments are an important part of high-end water-based paints and inks, and are often used in automotive coatings, consumer electronics coatings, children's toys coatings, tobacco and alcohol packaging, etc. At present, internationally renowned brands of water-based aluminum pigments mainly include Hydrolan, Hydrolux, Hydroxal, and Hydromic from Eckart in Germany, SilbercoteAQ and Aquapaste from Silberline in the United States, and EMR series from Toyo Aluminum in Japan. [0003] The main feature of water-based aluminum pigments is that the formulations are all in the form of paste, and the carrier is a solvent. These solvents are used as the carrier of the aluminum pigment to maintain the stability of the aluminum pigment, prevent the pigment from agglomerating and agglomerating, and at the same time serve as a med...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09C1/64C09C3/08C09C3/10
CPCC01P2006/12C01P2006/22C09C1/644C09C3/006C09C3/10
Inventor 徐昶林海晖
Owner 深圳市绚图新材科技有限公司
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